Others
Maths Puzzle
How many four letters words with or without meaning, can be formed out of the letters of the word, ‘LOGARITHMS’, if repetition of letters is not allowed?
a. 40
b. 400
c. 5040
d. 2520
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Others Other Question
a and b can complete a task in 30 days when working together after a and b have been working together for 11 days , b is called away and a , all by himself completes the task in the next 28 days . Had a been working alone , the number of days taken by him to complete the task would have been ?? Options a)33 3/19 b) 19 6/25 c) 44 4/19 d) none of these
How many three digits number can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digit is repeated?
a. 5
b. 10
c. 15
d. 20